[llvm] r363907 - [X86] Remove memory instructions form isUseDefConvertible.

[Craig Topper via llvm-commits]

Author: ctopper
Date: Wed Jun 19 21:58:40 2019
New Revision: 363907

URL: http://llvm.org/viewvc/llvm-project?rev=363907&view=rev
Log:
[X86] Remove memory instructions form isUseDefConvertible.

The caller of this is looking for comparisons of the input
to these instructions with 0. But the memory instructions
input is an addess not a value input in a register.

Modified:
    llvm/trunk/lib/Target/X86/X86InstrInfo.cpp

Modified: llvm/trunk/lib/Target/X86/X86InstrInfo.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/X86InstrInfo.cpp?rev=363907&r1=363906&r2=363907&view=diff
==============================================================================
--- llvm/trunk/lib/Target/X86/X86InstrInfo.cpp (original)
+++ llvm/trunk/lib/Target/X86/X86InstrInfo.cpp Wed Jun 19 21:58:40 2019
@@ -3350,24 +3350,24 @@ inline static bool isDefConvertible(cons
 static X86::CondCode isUseDefConvertible(const MachineInstr &MI) {
   switch (MI.getOpcode()) {
   default: return X86::COND_INVALID;
-  case X86::LZCNT16rr: case X86::LZCNT16rm:
-  case X86::LZCNT32rr: case X86::LZCNT32rm:
-  case X86::LZCNT64rr: case X86::LZCNT64rm:
+  case X86::LZCNT16rr:
+  case X86::LZCNT32rr:
+  case X86::LZCNT64rr:
     return X86::COND_B;
-  case X86::POPCNT16rr:case X86::POPCNT16rm:
-  case X86::POPCNT32rr:case X86::POPCNT32rm:
-  case X86::POPCNT64rr:case X86::POPCNT64rm:
+  case X86::POPCNT16rr:
+  case X86::POPCNT32rr:
+  case X86::POPCNT64rr:
     return X86::COND_E;
-  case X86::TZCNT16rr: case X86::TZCNT16rm:
-  case X86::TZCNT32rr: case X86::TZCNT32rm:
-  case X86::TZCNT64rr: case X86::TZCNT64rm:
+  case X86::TZCNT16rr:
+  case X86::TZCNT32rr:
+  case X86::TZCNT64rr:
     return X86::COND_B;
-  case X86::BSF16rr: case X86::BSF16rm:
-  case X86::BSF32rr: case X86::BSF32rm:
-  case X86::BSF64rr: case X86::BSF64rm:
-  case X86::BSR16rr: case X86::BSR16rm:
-  case X86::BSR32rr: case X86::BSR32rm:
-  case X86::BSR64rr: case X86::BSR64rm:
+  case X86::BSF16rr:
+  case X86::BSF32rr:
+  case X86::BSF64rr:
+  case X86::BSR16rr:
+  case X86::BSR32rr:
+  case X86::BSR64rr:
     return X86::COND_E;
   }
 }